| KELSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| KELSON LIMITED | Private company limited by shares | Dissolved |
| KELSON (CHINA) LIMITED | Private company limited by shares | Live |
| KELSON ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| KELSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Kelson Express Limited | | Live |
| Kelson Group Limited | Private company limited by shares | Live |
| KELSON HONG KONG LIMITED | Private company limited by shares | Live |
| KELSON INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| KELSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KELSON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| KELSON SHIPPING LIMITED | Private company limited by shares | Dissolved |
| KELSON SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| KELSON TECH LIMITED | | Live |
| KELSON TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| KELSONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| KELSONIC LIMITED | Private company limited by shares | Dissolved |
| Kelsons Limited | Private company limited by shares | Live |